The constitutional officer who regulates health and safety issues for workers is the

Occupational Safety and Health Administration (OSHA) administer is the constitutional officer who regulates health and safety issues for workers.

Explanation:

Occupational Safety and Health Administration (OSHA) Administers

* Health and safety of the workers comes under OSHA, which take care of the Occupational Safety and Health Act (OHS).

* Almost every worker falls under the OSHA but some self-employed people,  few transportation workers, miners and public employees, do not falls under their jurisdiction.

* Employers who subject to the OSH Act also have a general duty to provide work and a workplace free from recognized, serious hazards.

* Whistle-blower Protection Program is also looked after by OSHA which make sure that an employer should not go for taking consequent action against those employees who report their concerns related to safety and hazardous situations.

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.